Device for manufacturing electrode

Abstract

An electrode manufacturing device is disclosed. The electrode manufacturing device includes a transfer unit configured to transfer an electrode, a laser output unit configured to emit a laser beam to the electrode, a guide unit including a first surface and a second surface for guiding the electrode so that the electrode is transferred along a preset path while the laser beam is emitted, and a cleaning unit disposed adjacent to the guide unit, and configured to remove dust deposited on the guide unit, wherein the guide unit rotates between a first state and a second state, in the first state, the first surface is disposed to guide the electrode and the second surface is disposed to be cleaned by the cleaning unit, and in the second state, the first surface is disposed to be cleaned by the cleaning unit and the second surface is disposed to guide the electrode.

What is claimed is: 
     
         1 . An electrode manufacturing device comprising:
 a transfer unit configured to transfer an electrode;   a laser output unit configured to emit a laser beam to the electrode;   a guide unit including a first surface and a second surface for guiding the electrode so that the electrode is transferred along a preset path while the laser beam is emitted; and   a cleaning unit disposed adjacent to the guide unit, and configured to remove dust generated while the laser beam is emitted to the electrode and deposited on the guide unit,   wherein the guide unit rotates between a first state and a second state,   in the first state, the first surface is disposed to guide the electrode and the second surface is disposed to be cleaned by the cleaning unit, and   in the second state, the first surface is disposed to be cleaned by the cleaning unit and the second surface is disposed to guide the electrode.   
     
     
         2 . The electrode manufacturing device of  claim 1 , further comprising a dust removing unit disposed adjacent to a region where the laser beam is emitted to the electrode to remove dust generated while the laser beam is emitted to the electrode,
 wherein the dust removing unit includes a first nozzle configured to spray a first fluid in a direction parallel to one surface of the electrode to which the laser beam is emitted, and a first suction hood configured to suction dust moved by the first fluid.   
     
     
         3 . The electrode manufacturing device of  claim 2 , wherein the first nozzle includes a plurality of spray holes disposed along a second direction perpendicular to the first direction. 
     
     
         4 . The electrode manufacturing device of  claim 2 , wherein the first suction hood forms a fluid flow around the one surface of the electrode in a direction parallel to the one surface of the electrode. 
     
     
         5 . The electrode manufacturing device of  claim 2 , wherein a speed of a fluid flow generated by the dust removing unit is 15 m/s or more. 
     
     
         6 . The electrode manufacturing device of  claim 1 , wherein in the first state, the first surface has a shape protruding to the outside of the guide so that a movement path of the electrode has a protruding pattern around the first surface in a direction opposite a direction in which the laser beam is emitted. 
     
     
         7 . The electrode manufacturing device of  claim 1 , wherein the first surface includes a first portion whose surface is coated to improve surface hardness, and a second portion which is a porous plate through which a fluid sprayed by a nozzle located in the guide unit passes. 
     
     
         8 . The electrode manufacturing device of  claim 1 , wherein the first surface and the second surface face each other. 
     
     
         9 . The electrode manufacturing device of  claim 1 , wherein the electrode includes a first region processed by the laser beam and on which an active material is not applied and a second region not processed by the laser beam and on which the active material is applied. 
     
     
         10 . The electrode manufacturing device of  claim 9 , further comprising a blocking unit for preventing dust generated when the laser beam is emitted to the first region from scattering to the second region. 
     
     
         11 . The electrode manufacturing device of  claim 1 , wherein the cleaning unit removes dust deposited on the first surface or the second surface according to a rotation state of the guide unit, and includes a brush and a second suction hood. 
     
     
         12 . The electrode manufacturing device of  claim 11 , wherein the guide unit includes a second nozzle configured to spray a second fluid forming a fluid flow from the inside of the guide unit to the second suction hood. 
     
     
         13 . The electrode manufacturing device of  claim 1 , further comprising a scrap removing unit disposed under the guide unit, and configured to suction scrap falling due to gravity and discharge the scrap to the outside. 
     
     
         14 . The electrode manufacturing device of  claim 1 , wherein the guide unit rotates 180° between the first state and the second state. 
     
     
         15 . The electrode manufacturing device of  claim 1 , further comprising an air knife configured to spray air so that the dust does not enter the laser output unit. 
     
     
         16 . The electrode manufacturing device of  claim 1 , wherein the first surface has a curved shape having a first curvature smaller than a predetermined critical curvature. 
     
     
         17 . The electrode manufacturing device of  claim 1 , wherein the first surface and the second surface have the same curvature. 
     
     
         18 . The electrode manufacturing device of  claim 16 , wherein the guide unit includes a third nozzle configured to spray a pressurized fluid to the electrode, and
 a pressure of the pressurized fluid is set to a range in which the electrode is not deformed beyond the predetermined critical curvature.